Home / 14,623.84-20,184.96-8,657.56

Finding the Fourth Proportional to 14,623.84, 20,184.96 and 8,657.56

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Solution

The fourth proportional to 14,623.84, 20,184.96 and 8,657.56 is: 11,949.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,623.84 : 20,184.96 = 8,657.56 : x
  2. Step 2: Convert to fraction form
    14,623.84/20,184.96 = 8,657.56/x
  3. Step 3: Cross multiply
    14,623.84x = 20,184.96 × 8,657.56
  4. Step 4: Simplify right side
    14,623.84x = 174,752,502.30
  5. Step 5: Solve for x
    x = 174,752,502.30/14,623.84
  6. Step 6: Final answer
    x = 11,949.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.